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crypto: atmel-tdes - initialize spinlock in probe

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Kernel will report "BUG: spinlock lockup suspected on CPU#0"
when CONFIG_DEBUG_SPINLOCK is enabled in kernel config and the
spinlock is used at the first time. It's caused by uninitialized
spinlock, so just initialize it in probe.

Signed-off-by: Leilei Zhao <[email protected]>
Acked-by: Nicolas Ferre <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
Leilei Zhao 2015-04-07 17:45:08 +08:00 • committed by Herbert Xu
commit 1d1b91637c
1 changed files with 1 additions and 0 deletions
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drivers/crypto/atmel-tdes.c
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@ -1370,6 +1370,7 @@ static int atmel_tdes_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, tdes_dd);
INIT_LIST_HEAD(&tdes_dd->list);
spin_lock_init(&tdes_dd->lock);
tasklet_init(&tdes_dd->done_task, atmel_tdes_done_task,
(unsigned long)tdes_dd);